:root{--bg-base:#090a0f;--bg-surface:#10131d;--bg-surface-elevated:#161a29;--bg-card:#121622b3;--bg-card-hover:#181d2dd9;--border-subtle:#ffffff14;--border-medium:#ffffff26;--border-focus:#3b82f6;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-tertiary:#64748b;--accent:#3b82f6;--accent-light:#60a5fa;--accent-soft:#3b82f61f;--accent-gradient:linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #818cf8 100%);--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-heading:"Plus Jakarta Sans", var(--font-sans);--font-mono:"JetBrains Mono", monospace;--header-height:72px;--container-max:1200px;--radius-sm:6px;--radius-md:12px;--radius-lg:18px;--radius-full:9999px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-smooth:.45s cubic-bezier(.16, 1, .3, 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.6rem;font-size:.72rem}.work-exp-badge{font-family:var(--font-mono);color:#34d399;border-radius:var(--radius-full);background:#10b9811a;border:1px solid #10b98140;margin-left:.5rem;padding:.2rem .6rem;font-size:.75rem;display:inline-block}.timeline-bullets{color:var(--text-secondary);flex-direction:column;gap:.45rem;margin-top:.75rem;padding-left:1.25rem;font-size:.92rem;line-height:1.6;display:flex}@media (width<=960px){.cert-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.cert-grid{grid-template-columns:1fr}}